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Finding the Fourth Proportional to 61,590.30, 85,002.39 and 34,734.30

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Solution

The fourth proportional to 61,590.30, 85,002.39 and 34,734.30 is: 47,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,590.30 : 85,002.39 = 34,734.30 : x
  2. Step 2: Convert to fraction form
    61,590.30/85,002.39 = 34,734.30/x
  3. Step 3: Cross multiply
    61,590.30x = 85,002.39 × 34,734.30
  4. Step 4: Simplify right side
    61,590.30x = 2,952,498,514.98
  5. Step 5: Solve for x
    x = 2,952,498,514.98/61,590.30
  6. Step 6: Final answer
    x = 47,937.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.